Discuss: Right Hand, Left Hand

How handedness spans the scientific world, from the smallest particles in the Universe to the drugs that cure disease and even the way you hold a pen, goes under the microscope this week as we explore the realms of asymmetry. Plus, in the news, the world's first synthetic chromosome, the goo that stops bones breaking, is there a giant planet lurking beyond Pluto, aircraft black boxes and anti-aphrodisiacs...Listen to this Showor If you want to discuss this show, or ask a question, this is the place to do it.